<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body{
            
            font:"微软雅黑"
        }
        a{
            display: inline-block;
            width: 120px;
            height: 58px;
            background-color: gray;
            text-align: center;
           line-height: 58px;
           background-image: url('../img/redbtn.png');
           background-size: cover;
        }
        a:hover{
            background-image: url('../img/greenbtn.png');
        }
    </style>
</head>
<body>
    <a href="http://www.taobao.com">进入体验</a>
</body>
</html>